machines: Fix typo in flags for ListStoragePools API call
machines: Fix typo in flags for ListStoragePools API call

Closes #10219
cockpit-project/cockpit,moraleslazaro/cockpit,moraleslazaro/cockpit,martinpitt/cockpit,deryni/cockpit,martinpitt/cockpit,garrett/cockpit,deryni/cockpit,cockpituous/cockpit,garrett/cockpit,martinpitt/cockpit,cockpit-project/cockpit,deryni/cockpit,mvollmer/cockpit,cockpit-project/cockpit,moraleslazaro/cockpit,martinpitt/cockpit,cockpit-project/cockpit,andreasn/cockpit,moraleslazaro/cockpit,andreasn/cockpit,moraleslazaro/cockpit,cockpit-project/cockpit,martinpitt/cockpit,andreasn/cockpit,andreasn/cockpit,mvollmer/cockpit,deryni/cockpit,garrett/cockpit,cockpituous/cockpit,deryni/cockpit,deryni/cockpit,cockpituous/cockpit,garrett/cockpit,andreasn/cockpit,andreasn/cockpit,mvollmer/cockpit,deryni/cockpit,moraleslazaro/cockpit,cockpituous/cockpit,moraleslazaro/cockpit,andreasn/cockpit,mvollmer/cockpit,garrett/cockpit,cockpituous/cockpit,mvollmer/cockpit,cockpituous/cockpit